Initial commit

src/save-cache.ts

@@ -0,0 +1,36 @@
+import * as cache from '@actions/cache'
+import * as core from '@actions/core'
+import {STATE_CACHE_MATCHED_KEY, STATE_CACHE_KEY} from './cache/restore-cache'
+import {cacheLocalPath, enableCache} from './utils/inputs'
+
+export async function run(): Promise<void> {
+  try {
+    if (enableCache) {
+      await saveCache()
+    }
+  } catch (error) {
+    const err = error as Error
+    core.setFailed(err.message)
+  }
+  process.exit(0)
+}
+
+async function saveCache(): Promise<void> {
+  const cacheKey = core.getState(STATE_CACHE_KEY)
+  const matchedKey = core.getState(STATE_CACHE_MATCHED_KEY)
+
+  if (!cacheKey) {
+    core.warning('Error retrieving cache key from state.')
+    return
+  } else if (matchedKey === cacheKey) {
+    // no change in target directories
+    core.info(`Cache hit occurred on key ${cacheKey}, not saving cache.`)
+    return
+  }
+  core.info(`Saving cache path: ${cacheLocalPath}`)
+  await cache.saveCache([cacheLocalPath], cacheKey)
+
+  core.info(`cache saved with the key: ${cacheKey}`)
+}
+
+run()